原文链接:http://cssnb.com/index.php/archives/54/
<?php /** * Created by PhpStorm. * User: 项羽 * Date: 2019/1/22 * Time: 22:55 * 生成小程序码接口地址 https://developers.weixin.qq.com/miniprogram/dev/api/getWXACodeUnlimit.html */ namespace app\api\controller; class Spreadcode { // 获取accesstoken public function getAccesstoken(){ $appid = \'\'; /*小程序appid*/ $srcret = \'\'; /*小程序秘钥*/ $tokenUrl="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$srcret; $getArr=array(); $tokenArr=json_decode($this->send_post($tokenUrl,$getArr,"GET")); $access_token=$tokenArr->access_token; return $access_token; } public function send_post($url, $post_data,$method=\'POST\') { $postdata = http_build_query($post_data); $options = array( \'http\' => array( \'method\' => $method, //or GET \'header\' => \'Content-type:application/x-www-form-urlencoded\', \'content\' => $postdata, \'timeout\' => 15 * 60 // 超时时间(单位:s) ) ); $context = stream_context_create($options); $result = file_get_contents($url, false, $context); return $result; } public function api_notice_increment($url, $data){ $ch = curl_init(); $header=array(\'Accept-Language:zh-CN\',\'x-appkey:114816004000028\',\'x-apsignature:933931F9124593865313864503D477035C0F6A0C551804320036A2A1C5DF38297C9A4D30BB1714EC53214BD92112FB31B4A6FAB466EEF245710CC83D840D410A7592D262B09D0A5D0FE3A2295A81F32D4C75EBD65FA846004A42248B096EDE2FEE84EDEBEBEC321C237D99483AB51235FCB900AD501C07A9CAD2F415C36DED82\',\'x-apversion:1.0\',\'Content-Type:application/x-www-form-urlencoded\',\'Accept-Charset: utf-8\',\'Accept:application/json\',\'X-APFormat:json\'); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST"); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); curl_setopt($ch, CURLOPT_HTTPHEADER, $header); curl_setopt($ch, CURLOPT_USERAGENT, \'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)\'); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt($ch, CURLOPT_AUTOREFERER, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $data); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $tmpInfo = curl_exec($ch); // var_dump($tmpInfo); // exit; if (curl_errno($ch)) { return false; }else{ // var_dump($tmpInfo); return $tmpInfo; } } /*上面生成的是数量限制10万的二维码,下面重写数量不限制的码*/ /*getWXACodeUnlimit*/ /*码一,圆形的小程序二维码,数量限制一分钟五千条*/ /*45009 调用分钟频率受限(目前5000次/分钟,会调整),如需大量小程序码,建议预生成。 41030 所传page页面不存在,或者小程序没有发布*/ public function mpcode($page,$cardid){ //参数 // $postdata[\'scene\']="nidaodaodao"; $postdata[\'scene\']=$cardid; // 宽度 $postdata[\'width\']=430; // 页面 $postdata[\'page\']=$page; // $postdata[\'page\']="pages/postcard/postcard"; // 线条颜色 $postdata[\'auto_color\']=false; //auto_color 为 false 时生效 $postdata[\'line_color\']=[\'r\'=>\'0\',\'g\'=>\'0\',\'b\'=>\'0\']; // 是否有底色为true时是透明的 $postdata[\'is_hyaline\']=true; $post_data = json_encode($postdata); $access_token=$this->getAccesstoken(); $url="https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=".$access_token; $result=$this->api_notice_increment($url,$post_data); $data=\'image/png;base64,\'.base64_encode($result); return $data; // echo \'<img src="data:\'.$data.\'">\'; } /*码二,正方形的二维码,数量限制调用十万条*/ public function qrcodes(){ $path="pages/postcard/postcard"; // 宽度 $postdata[\'width\']=430; // 页面 $postdata[\'path\']=$path; $post_data = json_encode($postdata); $access_token=$this->getAccesstoken(); $url="https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token=".$access_token; $result=$this->api_notice_increment($url,$post_data); $data=\'image/png;base64,\'.base64_encode($result); echo \'<img src="data:\'.$data.\'">\'; } }
二、php调用方法
$page=\'pages/postcard/postcard\'; $cardid="10"; $class = new \app\api\controller\Spreadcode(); $mpcodeimg=$class->mpcode($page,$cardid); $dataret[\'mpcodeimg\']=$mpcodeimg; $this->assign(\'retdata\',$dataret);
三、前端页面调用
<img src="data:{$retdata[\'mpcodeimg\']}" />